stuff

modules/wallpaper-engine/effects/filmgrain/shaders/effects/filmgrain.frag

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+
+// [COMBO] {"material":"ui_editor_properties_blend_mode","combo":"BLENDMODE","type":"imageblending","default":12}
+// [COMBO] {"material":"ui_editor_properties_greyscale","combo":"GREYSCALE","type":"options","default":1}
+
+#include "common.h"
+#include "common_blending.h"
+
+varying vec4 v_TexCoord;
+varying vec4 v_TexCoordNoise;
+
+uniform sampler2D g_Texture0; // {"hidden":true}
+uniform sampler2D g_Texture1; // {"label":"ui_editor_properties_noise","default":"util/noise"}
+uniform sampler2D g_Texture2; // {"label":"ui_editor_properties_opacity_mask","mode":"opacitymask","combo":"MASK","paintdefaultcolor":"0 0 0 1"}
+
+uniform float g_NoiseAlpha; // {"material":"strength","label":"ui_editor_properties_strength","default":2,"range":[0.0, 5.0]}
+uniform float g_NoisePower; // {"material":"exponent","label":"ui_editor_properties_power","default":0.5,"range":[0.0, 5.0]}
+
+void main() {
+	vec4 albedo = texSample2D(g_Texture0, v_TexCoord.xy);
+	
+	vec3 noise = texSample2D(g_Texture1, v_TexCoordNoise.xy).rgb;
+	vec3 noise2 = texSample2D(g_Texture1, v_TexCoordNoise.zw).gbr;
+	
+#if GREYSCALE
+	noise = CAST3(greyscale(noise));
+	noise2 = CAST3(greyscale(noise2));
+#endif
+	
+	noise = saturate(noise * noise2);
+	noise = pow(noise, CAST3(g_NoisePower));
+	
+	float blend = g_NoiseAlpha;
+#if MASK
+	blend *= texSample2D(g_Texture2, v_TexCoord.zw).r;
+#endif
+
+	albedo.rgb = ApplyBlending(BLENDMODE, albedo.rgb, noise, blend);
+	
+	gl_FragColor = albedo;
+}

modules/wallpaper-engine/effects/filmgrain/shaders/effects/filmgrain.vert

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+
+uniform mat4 g_ModelViewProjectionMatrix;
+
+uniform vec4 g_Texture0Resolution;
+
+#if MASK == 1
+uniform vec4 g_Texture2Resolution;
+#endif
+
+uniform float g_Time;
+
+attribute vec3 a_Position;
+attribute vec2 a_TexCoord;
+
+varying vec4 v_TexCoord;
+varying vec4 v_TexCoordNoise;
+
+uniform float g_NoiseScale; // {"material":"scale","label":"ui_editor_properties_scale","default":10,"range":[0.0, 20.0]}
+
+void main() {
+	gl_Position = mul(vec4(a_Position, 1.0), g_ModelViewProjectionMatrix);
+	
+	float aspect = g_Texture0Resolution.z / g_Texture0Resolution.w;
+	
+	float t = frac(g_Time);
+	v_TexCoord = a_TexCoord.xyxy;
+	v_TexCoordNoise.xy = (a_TexCoord.xy + t) * g_NoiseScale;
+	v_TexCoordNoise.zw = (a_TexCoord.xy - t * 2.5) * g_NoiseScale * 0.52;
+	v_TexCoordNoise *= vec4(aspect, 1.0, aspect, 1.0);
+	
+#if MASK == 1
+	v_TexCoord.zw = vec2(a_TexCoord.x * g_Texture2Resolution.z / g_Texture2Resolution.x,
+						a_TexCoord.y * g_Texture2Resolution.w / g_Texture2Resolution.y);
+#endif
+}